Service difficulty report · Control Unit · Airbus A300F4605R

Difficulty date
January 13, 2024
Submitted
January 15, 2024
Operation
Air carrier
Aircraft
N653FE
Make and model
Airbus A300F4605R
Aircraft serial
736
Aircraft time
39,762 hours, 21,632 cycles
Part
Control Unit
Part number
740147A
Part serial
0683
Condition
Failed
Location
Fuel System
Stage of operation
CL
How discovered
V
Nature of condition
O
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON INITIAL CLIMB OUT RECEIVED TRIM TANK AFT TRANSFER NOT AVAILABLE CAUTION. PASSING 8000 MSL, LEFT ECAM SHOWED AMBER XXX IN GW, CG, AND T. FUEL. RIGHT ECAM SHOWED AMBER XXX IN LEFT INNER AND LEFT OUTER FUEL TANKS, AS WELL AS TOTAL FUEL, GW, AND CG. THE OVERHEAD PANEL WAS ALSO BLANK FOR LEFT INNER AND LEFT OUTER TANKS AND TT. VERIFIED ALL CB WERE SET. FOUND THE PROBLEM TO BE A ELECTRICAL ISSUE WITH THE DC CONTACTOR. REF . WRI 24-40/7525 FOR INFO. WHEN THE AIRCRAFT IS ON APU AND ENGINE POWER WITHOUT THE FAULT ALL SYSTEMS FOR FUEL QTY OPERATE NORMAL. OK FOR SERVICE.

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